I know there is a thread about Dead Rising beeing up on the PC, but this details the other ones too, on all platforms
EDIT:
Dead Rising, Dead Rising 2 and Dead Rising 2: Off the Record will be available to purchase as individual download titles on September 13th for EUR 19.99 / GBP 15.99 / USD 19.99. All three titles are also available as a “Dead Rising Triple Pack” preorder bundle for Xbox One and PlayStation 4 for EUR 49.99 / GBP 39.99 / USD 49.99.
Capcom also said that as of now, it has no plans to bring Case Zero and Case West to current gen
EDIT:
More info on the release, thanks to Saint of Killers
feel free to close or merge if not worthy
EDIT:
$50 pre-order price only, $60 after release.
Dead Rising, Dead Rising 2 and Dead Rising 2: Off the Record will be available to purchase as individual download titles on September 13th for EUR 19.99 / GBP 15.99 / USD 19.99. All three titles are also available as a “Dead Rising Triple Pack” preorder bundle for Xbox One and PlayStation 4 for EUR 49.99 / GBP 39.99 / USD 49.99.
2016 is the year of Dead Rising and what better way to celebrate the 10th Anniversary of the series than to re-live the classic zombie outbreaks. Dead Rising, Dead Rising 2 and Dead Rising 2: Off the Record will be coming to Xbox One and PlayStation 4 for digital download on September 13th, 2016 across Europe and North America. The original Dead Rising will also be available on Steam as a digital download. What a time to be undead!
All three titles will return to take advantage of the current gen hardware systems, bringing the hilarious horror up to a gory-ous 1080p at 60 fps. Each new version of the game will also include all of the additional previously released DLC costumes.
Capcom also said that as of now, it has no plans to bring Case Zero and Case West to current gen
EDIT:
More info on the release, thanks to Saint of Killers
Dead Rising (Xbox One, PlayStation 4, Steam)
Dead Rising 2 (Xbox One, PlayStation 4)
Dead Rising 2: Off the Record (Xbox One, PlayStation 4)
Each sold separately for $19.99 / €19.99 / £15.99
Dead Rising Triple Pack (Xbox One, PlayStation 4) - Digital bundle for $59.49 that includes all three games (Dead Rising, Dead Rising 2 and Dead Rising 2: Off the Record) Preorder the Dead Rising Triple Pack starting today for 16% off the normal bundle price!
Release Date:
--Digital – September 13th, 2016 - All three games
--Retail Disc (North America Only)– Dead Rising and Dead Rising 2 only 
Dead Rising – September 13th, 2016 
Dead Rising 2 – September 27th, 2016
feel free to close or merge if not worthy